LG 42PJ560, Service Manual

Page 1: ... READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS PP01C MODEL 42PJ560R 42PJ560R TA North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only Printed in Korea P NO MFL63260901 1008 REV01 ...

Page 2: ...nly Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SPECIFICATION 4 ADJUSTMENT INSTRUCTION 7 BLOCK DIAGRAM 15 EXPLODED VIEW 16 SVC SHEET ...

Page 3: ...t s Neck Leakage Current Cold Check Antenna Cold Check With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on position connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead in turn to each exposed metallic parts such as antenna terminals phone jacks etc If the exposed met...

Page 4: ...d each drawing and specification by part number in accordance with SBOM 5 The receiver must be operated for about 20 minutes prior to the adjustment V Test Method 1 Performance LGE TV test method followed 2 Demanded other specification Safety CE IEC specification EMC CE IEC V Module Specification 1 42 XGA 42PJ560R TA NON EU LG Model Name Market Brand Model Name 42PJ560R TA Remark Safety IEC EN6006...

Page 5: ... BG VHF UHF E2 C69 2 78 VHF UHF C1 C62 C1 C75 CATV S21 S47 1 71 CATV S1 S41 S2 S44 4 Receiving system Upper Heterodyne 5 Video Input 2EA PAL SECAM NTSC Rear 1EA Side 1EA 6 Component Input 2EA Y Cb Cr Y Pb Pr 7 RGB Input 1EA RGB PC 8 HDMI Input 2ea HDMI DTV Only PCM MODE Side HDMI 1 Rear HDMI 1 42 50PJ250 TA only 3ea Side HDMI 1 Rear HDMI 2 9 Audio Input 5EA L R Input PC 1EA Component 2EA Rear 1EA ...

Page 6: ... Mode Vivid 3 Brightness uniformity 10 0 10 85IRE Full White Pattern Picture Mode Vivid White X 0 270 0 285 0 300 White 216 level pattern Y 0 278 0 293 0 308 Red Green Blue 255 level pattern Red X 0 635 0 640 4 Color Y 0 318 0 330 0 340 coordinate Green X 0 242 0 300 0 305 Y 0 595 0 600 Blue X 0 150 0 158 Y 0 065 0 075 5 Contrast ratio at dark room 100 000 1 1 000 000 1 White 1 100 White Window Pa...

Page 7: ...justment when module is in the circumstance of over 15 C In case of keeping module is in the circumstance of 0 C it should be placed in the circumstance of above 15 C for 2 hours In case of keeping module is in the circumstance of below 20 C it should be placed in the circumstance of above 15 C for 3 hours 3 S W Program Download 3 1 Profile This is for downloading the s w to the flash memory of th...

Page 8: ...ould be only one SW binary file in USB Stick 1 Using Power ON button of the control R C Power on TV 2 Insert the USB memory stick to the SET 3 Display USB loding message then push the Exit Key of control R C 4 Push the MENU Key and move the cusor OPTION of OSD Fig 1 Caution Don t push the OK key Just cusor is on the OPTION menu 5 Push the 7 key of control R C continuously Then Display TV Software ...

Page 9: ...STOP key after PCB assembly adjustment PP01A B C Tool option 6 EDID D L Method After software D L or PCBA manufacturing you can download EDID Data When you adjust Tool Option H6 Model EDID download process is executed automatically If the model don t have HDMI 3 HDMI 3 will be disappeared at OSD Window Caution When you adjust tool option don t connect HDMI or D sub cable If you connect some cable ...

Page 10: ... Use the cable HDMI or D sub cable for EDID Writing Automatically PP01A B C Model EDID download process is executed when you adjust Tool Option Jack Layout Tool Option Item CSA AREA NON EU AREA Inch Tool SIDE AV 0 1 HDMI 0 1 2 3 Side HDMI 0 1 COMP2 0 1 RGB 0 1 RS232C 0 1 Local Key 0 7KEY 1 8KEY LED TYPE 0 RED 1 RED White 2 Reserve USB TYPE 0 NONE 1 PHOTO MUSIC 2 PHOTO MUSIC DivX ...

Page 11: ... Only for training and service purposes EAST EU CIS AREA 5 1 EDID Data O XGA EDID DATA 42 inch Analog RGB 128bytes HDMI 1 256bytes HDMI 2 256bytes HDMI 3 256bytes SIDE HDMI HDMI 3 NO Item Condition Hex Data 1 Manufacturer ID GSM 1E6D 2 Version Digital 1 01 3 Revision Digital 3 03 ...

Page 12: ...V 5 Both component and RGB ADC adjustment are executed automatically When ADC adjustment is finished this OSD appear Notice After All mode check set the Speaker Volume 0 Caution Don t Press the Power Key on Remote Controller Just AC Power Off Not DC off Notice From this sentence All working is mass production 8 POWER PCB Assy Voltage Adjustment Vs voltage Adjustment 8 1 Test Equipment D M M 1EA 8 ...

Page 13: ...Balance 9 1 Required Equipment 1 Remote controller for adjustment 2 Color Analyzer CS 1000 CA 100 100 CA 210 or same produc CH 10 PDP lease adjust CA 210 CA 100 by CS 1000 before measuring 3 Auto W B adjustment instrument only for Auto adjustment 9 2 AUTO White Balance Process Before Adjust of White Balance Please press POWER ONLY key Adjust Process will start by execute RS232C Command O CS 1000 C...

Page 14: ...on is less than 10ux 2 Measure and adjust after sticking the Color Analyzer CA 100 CA210 to the side of the module 3 Aging time After aging start keep the Power on no suspension of power supply and heat run over 5 minutes Above optical characteristics are should be measured by following condition O DDC Adjustment Command Set Measured Mode Picture Mode Vivid Fresh Contrast Off Fresh Color Off Smart...

Page 15: ... 15 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes BLOCK DIAGRAM ...

Page 16: ...tified by in the Schematic Diagram and EXPLODED VIEW It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X RADIATION Shock Fire or other Hazards Do not modify the original design without permission of manufacturer IMPORTANT SAFETY NOTICE 200 305 300 400 580 301 302 303 304 202 240 520 207 206 204 203 201 501 590 570 6...

Page 17: ...K EU R541 3K EU R525 3K EU R519 75 EU R524 1K EU R527 75 EU SC1_R R518 75 EU SC1_G R517 75 EU SC1_B R516 75 EU R507 20K EU R500 0 NONE_EU R501 0 NONE_EU 3 3V_MST C116 100uF 16V EU MNT_VOUT R542 75 EU JK113 PPJ231 01 NONE_EU 8 6 7 5 4 R133 100 R134 100 R135 10K R136 10K JK100 YKF45 7058V BOT_HDMI 14 13 5 20 12 11 2 19 18 10 4 1 17 9 8 3 16 7 6 15 JK101 YKF45 7054V 14 13 5 20 12 11 2 19 18 10 4 1 17...

Page 18: ...2 TXCE2 TXCLKE TXCLKE TXCE3 TXCE3 TXCE4 TXCE4 C205 0 01uF 25V M5V_ON L201 MLB 201209 0120P N2 120 ohm 5V_MULTI 5V_ST 17V_TI R226 4 7K ERROR_DET 5V_MULTI R236 100 C208 100uF 16V C212 0 01uF 25V R231 100 R203 100 RL_ON POWER_ON AC_DET C228 0 1uF HOTEL DISP_EN R218 100 R219 470 DISP_EN C214 100uF 16V BU2 SMT 5030D READY 1 LEAD 2 LEAD 3 DUMMY 5V_MULTI R241 100 READY D201 1N4148W READY Q203 2SC3875S AL...

Page 19: ...17V_TI L302 120 ohm C324 0 1uF 17V_AMP IC303 1 K4T51163QG HCE7 Samsung J2 VREF J8 CK H2 VSSQ_2 B7 UDQS N8 A4 P8 A8 L1 NC_4 L2 BA0 R8 NC_3 K7 RAS F8 VSSQ_3 F3 LDM P3 A9 M3 A1 N3 A5 K8 CK R3 NC_5 L3 BA1 J7 VSSDL L7 CAS F2 VSSQ_4 B3 UDM M2 A10 AP K2 CKE R7 NC_6 M7 A2 N7 A6 M8 A0 J1 VDDL K3 WE E8 LDQS P7 A11 K9 ODT A2 NC_1 N2 A3 P2 A7 H8 VSSQ_1 F7 LDQS A8 UDQS R2 A12 L8 CS E2 NC_2 E7 VSSQ_5 D8 VSSQ_6 ...

Page 20: ...DDCDC_CK 94 RXCCKN 95 RXCCKP 96 DDCDC_DA 97 RXC0N 98 RXC0P 99 GND_6 100 RXC1N 101 RXC1P 102 AVDD_DM 103 RXC2N 104 RXC2P 105 HOTPLUGC 106 USB1_DM 107 USB1_DP 108 SCK 109 SDI 110 SDO 111 SCZ 112 PWM0 113 PWM1 114 PWM2 115 PWM3 116 LVA4P 117 LVA4M 118 LVA3P 119 LVA3M 120 LVACKP 121 LVACKM 122 LVA2P 123 LVA2M 124 LVA1P 125 LVA1M 126 LVA0P 127 LVA0M 128 VDDP_2 129 LVB4P 130 LVB4M 131 LVB3P 132 LVB3M 13...

Page 21: ...0 0 1uF IC500 TAS5709PHPR 1 OUT_A 2 PVDD_A_1 3 PVDD_A_2 4 BST_A 5 GVDD_OUT_1 6 SSTIMER 7 OC_ADJ 8 NC 9 AVSS 10 PLL_FLTM 11 PLL_FLTP 12 VR_ANA 13 AVDD 14 TESTOUT 15 MCLK 16 OSC_RES 17 DVSS_1 18 VR_DIG 19 PDN 20 LRCLK 21 SCLK 22 SDIN 23 SDA 24 SCL 25 RESET 26 STEST 27 DVDD 28 DVSS_2 29 GND 30 AGND 31 VREG 32 GVDD_OUT_2 33 BST_D 34 PVDD_D_1 35 PVDD_D_2 36 OUT_D 37 PGND_CD_1 38 PGND_CD_2 39 OUT_C 40 P...

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Page 23: ...age on Power Board Control Board Check B 5V Y 1 Check Control Board LED on Crystal X400 1 8V 3 3V 1 2V 5V FET Rom update 2 Replace Control B D SVC R C Pattern Check Sound Sound OK Y Close Y Move No Picture No sound Section Check LVDS Cable Replace Main B D Normal N Y N Move Power problem Section Normal Normal Move Power problem Section N VY VSC VZB First of all Check whether all of cable between b...

Page 24: ...re Problem No Picture No Sound Repair Process Check Module pattern by using TILT key on SVC R C Normal N Check Sound Sound OK Y N Move No Picture Sound Ok Section Close Y Check LVDS Cable Replace Main B D Normal Y N Replace Main B D Normal Check Input signal RF Cable connection SCART Cable connection HDMI Cable connection Component Cable 2 Normal Y N Repair Replace IR B D ...

Page 25: ...problem Type Check voltage VY VSC Y Sus B D Normal Picture Replace Y Sus B D Normal Picture Y N 1 Check Control B D 2 Replace Board Normal Picture Check Y Drive B D Replace B D Y Close N Dark Picture Normal Picture Y Replace Module N Close 1 Check Z Sus Board 2 Replace Board Check Picture mode setting Picture Noise Normal Picture Y N Close Y N Check RF Cable Connection Check Tuner Replace Normal P...

Page 26: ...ck whether other equipments have problem or not By connecting RF Cable at other equipment DVD Player Set Top Box Different maker TV etc SVC Bulletin Replace Main B D Check Tuner soldering Normal Picture Y N Y Close Normal Picture Y Close By using signal level meter Signal strength Normal over 50 Signal Quality Normal over 50 Normal Picture Y Contact with signal distributor or broadcaster Cable or ...

Page 27: ...lace Module If Main B D doesn t cause N Y Close 1 Connector re connection 2 Eliminate foreign material on Connector N CTRL B D Control board Check connection of Connector COF TCP on CTRL B D X B D Check connection of Connector FPC on Y Drive B D 1 Connector re connection 2 Eliminate foreign material on FFC 1 Check Y Drive B D 2 Replace Board Normal Picture N Y Close Replace Module 1 Check CTRL B D...

Page 28: ...ressing Power Key On Remote control Normal Close Y N Y Repair Replace IR B D N Check Power cord was inserted properly N Normal Close Y Check ST BY 3 5V on Power Board Normal Voltage N Normal Signal Y Check Power B D Replace Power B D Check AC DET Signal on Power B D Check RL_ON Signal on Power B D N Normal Signal Y Check Main B D Replace Main B D Check the other pin s Output voltage on Power B D N...

Page 29: ...Sus N Power LED Green Y Check Power B D Replace Power B D 1 Check Y Sus Z Sus Board especially Short or Open 2 Replace defective B D To check Power B D Protection Check Power Off History RCU Off 7 Turn off Under watching Off Timer Set Off timer Function off KEY Off 2HOUR Off NO Signal Off Y N Don t appear Power Off History Move No Power problem Section This is not problem Normal operation ...

Page 30: ... Sound N Y Close Y 2 Sound distortion sound drop Check Input signal Cable connection Cable open RF external HDMI SCART Normal Sound Y Close Check AVL off on Clear voiceⅡ off on Y Normal Sound N Close N Problem in all input Problem in external input Case 2 SCART HDMI Check whether Problem happen in same output of other equipments or not By connecting same output cable of other equipment DVD Player ...

Page 31: ...If R C operate Explain the customer cause is interference from light in room Check R C Operating When turn off light in room Check Replace Baterry of R C Check Repair Cable connection Connector solder Normal operating Check B 5V On Main B D Normal Voltage Close N N Check 5v on Power B D Replace Power B D or Replace Main B D Power B D don t have problem Check IR Output signal Normal Signal N Y Repa...

Page 32: ... 1 Dead pixel 2 Image sticking 3 Mal discharge 4 Module defect V Line Bar H Line Bar 5 In case of no picture you can judge defect cause Module or Main B D If patterns appear defect cause is Main B D Tilt Key Making Revision PDP TV Symptom A Picture Problem Check Module pattern by Tilt key Repair Process Reference data Item A1 ...

Page 33: ...ection Y Sus B D Panel 2 Check Y Sus B D 3 Replace Y Sus B D Horizontal Line or Bar 1 Check connection CTRL B D X B D 2 Check CTRL B D 3 Replace CTRL B D Vertical lines or Bar 1 Check connection CTRL B D X B D 2 Check CTRL B D 3 Replace CTRL B D Regular vertical lines To action defects description Symptom picture First of all Check whether all of cable between board was inserted properly or not Ne...

Page 34: ...ence data A20 96 Out Put COF Type 1 Check foreign Connection status 2 Check bad soldering on Chip resistance Defect symptom 192 Out Put TCP Type TCP Tape Carrier Package is film for IC connect with Electrode pattern Direct Bonding on X B D FPC Type Connector to connect between Electrode PAD Of PANEL and Y Drive B D Z Sus B D ...

Page 35: ... Map Power B D Main B D P813 P1100 5V Error_DET 8 7 6 17 15 16 14 No High 3 3V 5V RL_ON High 3 3V 5V AC DET 5V STBY 5V Check the other pin s output High 3 3V 5V Vs ON High 3 3V 5V M5_ON Remark Spec Checking Point P814 1 17V 2 17V 3 GND 4 GND 5 5V 6 5V 7 5V 8 Error_DET 9 GND 10 GND 11 GND 12 GND 13 STBY 14 STBY 15 RL_ON 16 AC_DET 17 M_ON 18 AUTO_GND Wafer SMAW200 H18S2 ...